Qwen2.5-0.5B-Instruct LoRA draft model for speculative decoding
Draft model paired with
farazmust123/qwen2.5-1.5b-trialgpt-lora
for greedy speculative decoding. Same tokenizer and answer format (label-first JSON) as the target;
trained with the same recipe (LoRA r=16, 3 epochs, best epoch by validation macro-F1) on the
training split of ncbi/TrialGPT-Criterion-Annotations. Fine-tuning raised draft-token acceptance on
screening prompts from 75.7% (base 0.5B) to 92.6% (k=4). Speculative decoding output is identical to
the target's greedy output by construction.
Code: https://github.com/fsdev87/generative-ai-A2 — educational research prototype, not for
clinical use.